Official regions are usually first tier administrative subdivisions, but usage of this designation varies from country to country, and in some cases few administrative powers are excercised at regional level. Some countries have only informal regions, and others do not use this designation at all.

Locations | Subnational entities

Kategorie:Region | Categoría:Regiones | Kategorio:Regionoj | رده:مناطق | Catégorie:Région | Kategorija:Regije | Flokkur:Svæði | Categoria:Regiones | Categorie:Regio | Kategori:Regioner | Kategoria:Regiony świata | Категория:Регионы